Po-Shen Loh

National lead coach,
USA International Math Olympiad team
     USA #1 for first time in 21 years; NPR 1, 2, 3

Founder of expii.com
     Crowdsourced interactive math/science lessons

Research interests:
     Probabilistic and extremal combinatorics

Research / papers
Teaching / CMU Putnam
     21-228 Discrete Math (Spring 2015)
     CMU #5 on Putnam; 2nd-most finishers in top-500!
     A few recorded math classes
United States Math Olympiad Program
Computer programs

CV

• (844) 314-1593 • @poshenloh